package com.itheima.utils;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.common.Zone;
import com.qiniu.http.Response;
import com.qiniu.storage.BucketManager;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;

//上传七牛图片
public class QiniuUtil {

    private static String accessKey = "MdeaqOGO-o75VXrYlwTxE5MeQ-ymqjwtZL9zIjnI";
    private static String secretKey = "gAuQVhrB9b88uPKhGKcypcGJUFXsgAZu7_8Uq6Uz";
    private static String bucket = "qiniu-wuyunlong";

    //上传图片                       上传文件           指定文件名
    public static void upload(MultipartFile multipartFile, String key){
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Zone.huadong());
//      ...其他参数参考类注释
        UploadManager uploadManager = new UploadManager(cfg);

//      如果是Windows情况下，格式是 D:\\qiniu\\test.png

//      默认不指定key的情况下，以文件内容的hash值作为文件名

        Auth auth = Auth.create(accessKey, secretKey);
        String upToken = auth.uploadToken(bucket);
        try {
            Response response = uploadManager.put(multipartFile.getBytes(), key, upToken);
            //解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
            //打印文件名
            System.out.println(putRet.key);
            //打印文件内容的hash值
            System.out.println(putRet.hash);
        } catch (QiniuException ex) {
            Response r = ex.response;
            System.err.println(r.toString());
            try {
                System.err.println(r.bodyString());
            } catch (QiniuException ex2) {
                //ignore
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    //删除七牛上的图片       指定文件名
    public static void  delete(String key){
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Zone.huadong());


        Auth auth = Auth.create(accessKey, secretKey);
        BucketManager bucketManager = new BucketManager(auth, cfg);
        try {
            bucketManager.delete(bucket, key);
        } catch (QiniuException ex) {
            //如果遇到异常，说明删除失败
            System.err.println(ex.code());
            System.err.println(ex.response.toString());
        }
    }
}
